— Would you like to ________ the performance of newlydeveloped energysaving device?

— Sorry, but I am not in the position to ________. [ ]

A.  make a comment on; comment

B.  have a comment with; comment on

C.  build up comments on; comment on

D.  come up with a comment; on

《安全生产法》规定，我国的标准分为必须执行的( )标准和可以自愿采用的( )标准。

A．一般；行业
B．强制性；推荐性
C．国家；企业
D．地方；行业